<template>
  <div>
    <input
      class="uploadFile"
      type="file"
      ref="fileInput"
      @change="uploadFile($event.target)"
      accept=".jpg,.png"
    />
    <div class="upload_pictures">
      <div class="upload_btns" @click="uploadFiless">
        <i class="el-icon-plus add_class"></i>
        <div class="upload_txt">上传图片</div>
      </div>
      <div class="view_img" v-for="(item, index) in fileLists" :key="index">
        <el-image
          class="view_img_url"
          :src="item"
          :preview-src-list="fileLists"
        >
        </el-image>
        <img
          @click="delImg(index)"
          class="close_img"
          src="../assets/images/close_img.png"
          alt=""
        />
      </div>
    </div>
  </div>
</template>

<script>
import { fammterString, uploadOSS } from "@/api/upload";

export default {
  props: {
    maxImageSize: {
      type: Number,
      default: 5, // 默认最大图片大小为5MB
    },
    maxVideoSize: {
      type: Number,
      default: 50, // 默认最大视频大小为50MB
    },
    operationType: [Number, String],
    type: {
      type: [Number, String],
      default: "", // 默认最大图片大小为5MB
    },
    echoFile: {
      type: Array,
      default: [], // 回显文件列表
    },
  },
  components: {},
  watch: {
    echoFile: {
      handler(val) {
        console.log(val, "fileLists");
        this.fileLists = val;
      },
    },
  },
  created() {},
  data() {
    return {
      fileLists: [],
    };
  },
  methods: {
    lookFiles(url) {
      window.open(url);
    },
    uploadFiless() {
      const fileInput = this.$refs.fileInput;
      fileInput.click();
    },
    uploadFile(event) {
      const file = this.$refs.fileInput.files[0];
      if (!file) {
        return;
      }
      const fileType = file.type.split("/")[0];
      const fileSize = file.size / 1024 / 1024; // 转换为MB
      if (fileType === "image" && fileSize > this.maxImageSize) {
        this.$message.warning(`图片大小不能超过${this.maxImageSize}MB`);
        return;
      }
      if (fileType === "video" && fileSize > this.maxVideoSize) {
        this.$message.warning(`视频大小不能超过${this.maxVideoSize}MB`);
        return;
      }
      this.uploadFiles(event, file);
      // 进行上传操作
    },
    async uploadFiles(event, file) {
      console.log("uploadFiles", this.rowId, this.operationType);
      let res;
      try {
        let path = fammterString(
          this.type,
          this.operationType > 4
            ? localStorage.getItem("testCheckId")
            : localStorage.getItem("uuid"),
          this.operationType > 4 ? "examSpotCheck" : "course"
        );
        res = await uploadOSS(file, path);
      } catch (e) {
        console.error(e);
      }
      if (res) {
        this.fileLists.push(res[0]);
      }
      this.$emit("uploadFiles", this.fileLists);
      //重置input
      event.value = "";
    },
    delImg(index) {
      this.fileLists.splice(index, 1);
      this.$emit("uploadFiles", this.fileLists);
    },
  },
};
</script>
<style lang="scss" scoped>
.uploadFile {
  display: none;
}
.upload_pictures {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-start;
}
.upload_btns {
  width: 148px;
  height: 148px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  background: #ffffff;
  cursor: pointer;
  border: 1px dashed #c0ccda;
  border-radius: 8px;
}
.add_class {
  font-size: 18px;
  font-weight: bold;
  color: #999999;
}
.upload_txt {
  margin-top: 8px;
  font-size: 10px;
  font-weight: 400;
  color: rgba(0, 0, 0, 0.65);
  user-select: none;
}
.view_img {
  width: auto !important;
  height: 148px;
  margin-left: 10px;
  margin-bottom: 10px;
  position: relative;
  border: 1px dashed #c0ccda;
  border-radius: 8px;
}
.view_img_url {
  width: auto !important;
  height: 100%;
}
.video_box {
  width: 100%;
  height: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  background: #f5f5f5;
  cursor: pointer;
}
.other_box {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  background: #f5f5f5;
  cursor: pointer;
  .el-icon-document {
    font-size: 18px;
    color: #565656;
  }
  .other_text {
    margin-top: 10px;
    font-size: 12px;
    color: #565656;
  }
}
.video_img {
  width: 24px;
  height: 24px;
  object-fit: cover;
  position: absolute;
}
.close_img {
  width: 16px;
  height: 16px;
  position: absolute;
  top: -4px;
  right: -4px;
  cursor: pointer;
}
</style>
